Finding the Fourth Proportional to 576,420.62, 865,158.26 and 292,307.27
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Solution
The fourth proportional to 576,420.62, 865,158.26 and 292,307.27 is: 438,728.31
Step by Step Solution
- Step 1: Write the proportion equation
576,420.62 : 865,158.26 = 292,307.27 : x - Step 2: Convert to fraction form
576,420.62/865,158.26 = 292,307.27/x - Step 3: Cross multiply
576,420.62x = 865,158.26 × 292,307.27 - Step 4: Simplify right side
576,420.62x = 252,892,043,311.22 - Step 5: Solve for x
x = 252,892,043,311.22/576,420.62 - Step 6: Final answer
x = 438,728.31
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.